Nonalkaloid Constituents from Stemona japonica |
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Authors: | Xin‐Zhou Yang Li‐Gen Lin Chun‐Ping Tang Yong‐Qiang Liu Yang Ye |
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Affiliation: | State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu‐Chong‐Zhi Road, Zhangjiang Hightech Park, Shanghai 201203, P.?R. China, (phone/fax: +?86‐21‐50806726) |
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Abstract: | Five new nonalkaloid constituents, a neolignan, japonin A ( 1 ), a macrocyclic lactone, japonin B ( 2 ), a (phenylethyl)benzoquinone, japonin C ( 3 ), a phenanthraquinone, japonin D ( 4 ), as well as a dihydrostilbene, stilbostemin M ( 5 ), were isolated from the roots of Stemona japonica, together with eight known compounds. Their structures were established by spectroscopic analyses. |
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Keywords: | Stemona japonica Neolignans Japonins A – D Stilbostemin M Stilbenoids Lactones |
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